Datasheet

DRV8662
SLOS709A –JUNE 2011–REVISED NOVEMBER 2012 www.ti.com
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ELECTRICAL CHARACTERISTICS
T
A
= 25°C, V
O,PP
= V
OUT+
– V
OUT–
= 200 V, C
L
= 47 nF, A
V
= 40 dB, L = 4.7 µH (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
|I
IL
| Digital input low current EN, GAIN0, GAIN1 V
DD
= 3.6 V, V
IN
= 0 V 1 µA
|I
IH
| Digital input high current EN, GAIN0, GAIN1 V
DD
= 3.6 V, V
IN
= V
DD
5 µA
I
SD
Shut down current V
DD
= 3.6 V, V
EN
= 0 V 13 µA
V
DD
= 3.6 V, V
EN
= V
DD
, VBST = 105 V, no signal 24 mA
V
DD
= 3.6 V, V
EN
= V
DD
, VBST = 80 V, no signal 13 mA
I
DDQ
Quiescent current
V
DD
= 3.6 V, V
EN
= V
DD
, VBST = 55 V, no signal 9 mA
V
DD
= 3.6 V, V
EN
= V
DD
, VBST = 30 V, no signal 5 mA
R
IN
Input impedance All gains 100 kΩ
GAIN<1:0> = 00 28.8
GAIN<1:0> = 01 34.8
A
V
Amplifier gain dB
GAIN<1:0> = 10 38.4
GAIN<1:0> = 11 40.7
GAIN<1:0> = 00, V
O,PP
= 50 V, No Load 20
GAIN<1:0> = 01, V
O,PP
= 100 V, No Load 10
BW Amplifier Bandwidth kHz
GAIN<1:0> = 10, V
O,PP
= 150 V, No Load 7.5
GAIN<1:0> = 11, V
O,PP
= 200 V, No Load 5
V
DD
= 3.6 V, C
L
= 10 nF, f = 150 Hz, V
O,PP
= 200 V 75
V
DD
= 3.6 V, C
L
= 10 nF, f = 300 Hz, V
O,PP
= 200 V 115
Average battery current
I
BAT, AVG
mA
during operation
V
DD
= 3.6 V, C
L
= 47 nF, f = 150 Hz, V
O,PP
= 200 V 210
V
DD
= 3.6 V, C
L
= 47 nF, f = 300 Hz, V
O,PP
= 200 V 400
Total harmonic distortion
THD+N f = 300 Hz, V
O,PP
= 200 V 1 %
plus noise
V
DD
= 3.6 V, time from EN high until boost and amplifier are
t
SU
Start-up time 1.5 ms
fully enabled
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